expert Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [6, 10, 5]

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Answer: Row2[1]=16, Row2[2]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [16,15]
  • [6,10,5]
Base
  • 6
  • 10
  • 5
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 11] → [_, 2, 9]

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Answer: Row1[1]=18, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [7,11]
  • [5,2,9]
Base
  • 5
  • 2
  • 9
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 6] → [1, 4, _]

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Answer: Row1[1]=11, Row3[3]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [11]
  • [5,6]
  • [1,4,2]
Base
  • 1
  • 4
  • 2
TopValue
11
HiddenCells
  • {"r":0,"c":0,"v":11}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 9] → [5, _, 4]

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Answer: Row1[1]=19, Row3[2]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [10,9]
  • [5,5,4]
Base
  • 5
  • 5
  • 4
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":1,"v":5}